GN Y-1 #5011 in 1927 (before wreck and rebuild). Motor–generator supplied direct current fed to 6 traction motors. The Great Northern Railway 's class Y-1 comprised eight electric …

The GN numbered the units 5010–5017 and classified them Y-1. After being involved in a wreck at Tonga, Washington in July 1945, the 5011 was rebuilt with a streamlined appearance and …

This is a complete and indexed 1947 Great Northern publication on the operation of GN's electric locomotives from Skykomish to Wenatchee loaned to me courtesy of Mr. Dave Sprau. For …

They used motor-generator sets to rectify the alternating current line voltage into direct current for their traction motors. The GN numbered the units 5010–5017 and classified them Y-1.

Original Y-1 configuration. The head light is mounted on the top center with the bell behind it. In the thirties Y-1's were modified by adding a busbar and moving the bell and headlight. …

Great Northern used 2 different paint schemes for its electric locomotives. All electrics were delivered in a Pullman Green livery except for the two W-1 class locomotives which arrived …

GN 5017 Y-1 class electric locomotive on GN Train #6, The Cascadian at Skykomish, WA. Philip B. Korst, Jr. photo. GN 5018 and 5019 W-1 class electric locomotives at Skykomish, WA.

In the late 1920s, Great Northern received eight Alco-GE box cab electrics, classed Y1. They were used over the heavily tunneled and steeply graded Cascade Mountains in Washington, …

2020年4月28日 · GN算法，即Girvan-Newman 社区划分算法，它属于分裂的层次聚类算法，基本思想是不断删除网络中“介值”最大的边，直到所有边都被删除。目标函数值取得最大值的时 …

2024年2月27日 · 在训练 神经网络 时，往往需要 标准化（Normalization）输入数据，使得网络的训练 更加快速和有效，然而 SGD 等学习算法会在训练中不断改变网络的参数，隐含层的激活 …